Fixes windows testing error

- the differences in path specifications seems to be causing problems.

tests/test_files.py

@@ -248,9 +248,7 @@ def test_non_matching_search_does_not_modify_file(tmp_path: Path):
     conf, version_config, current_version = get_config_data(overrides)
     new_version = current_version.bump("patch", version_config.order)
     configured_files = files.resolve_file_config(conf.files, version_config)
-    with pytest.raises(
-        exceptions.VersionNotFoundError, match=f"Did not find 'Not-yet-released' in file: '{changelog_path}'"
-    ):
+    with pytest.raises(exceptions.VersionNotFoundError, match="Did not find 'Not-yet-released' in file:"):
         files.modify_files(configured_files, current_version, new_version, get_context(conf))
 
     assert changelog_path.read_text() == changelog_content